diff --git a/arch/um/include/skas_ptrace.h b/arch/um/include/skas_ptrace.h
index cfb5fb4f5b91..cd2327d09c8d 100644
--- a/arch/um/include/skas_ptrace.h
+++ b/arch/um/include/skas_ptrace.h
@@ -6,22 +6,11 @@
 #ifndef __SKAS_PTRACE_H
 #define __SKAS_PTRACE_H
 
-struct ptrace_faultinfo {
-	int is_write;
-	unsigned long addr;
-};
-
-struct ptrace_ldt {
-	int func;
-  	void *ptr;
-	unsigned long bytecount;
-};
-
 #define PTRACE_FAULTINFO 52
-#define PTRACE_SIGPENDING 53
-#define PTRACE_LDT 54
 #define PTRACE_SWITCH_MM 55
 
+#include "sysdep/skas_ptrace.h"
+
 #endif
 
 /*
diff --git a/arch/um/kernel/ptrace.c b/arch/um/kernel/ptrace.c
index ec19fed7c64b..3efa59a941a4 100644
--- a/arch/um/kernel/ptrace.c
+++ b/arch/um/kernel/ptrace.c
@@ -263,11 +263,6 @@ long sys_ptrace(long request, long pid, long addr, long data)
 			break;
 		break;
 	}
-	case PTRACE_SIGPENDING:
-		ret = copy_to_user((unsigned long __user *) data,
-				   &child->pending.signal,
-				   sizeof(child->pending.signal));
-		break;
 
 #ifdef PTRACE_LDT
 	case PTRACE_LDT: {